You're on a roll — here are the answers to Section B:
15. Flamingo TTI wants to setup a new computer laboratory. They consulted you to assist them.
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a) Identify any THREE categories of input devices they may use giving examples.
- Pointing Devices: Used to control the cursor or select items on the screen.
- Examples: Mouse, Trackpad, Touchscreen.
- Text Input Devices: Used to enter text and commands.
- Image/Video Input Devices: Used to capture visual data.
- Examples: Scanner, Webcam, Digital Camera.
- Audio Input Devices: Used to capture sound.
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b) They also want to install printers in the new laboratory. State any THREE differences between impact and non-impact printers.
- Printing Mechanism: Impact printers use a physical mechanism (e.g., pins or hammers) to strike an ink ribbon against the paper, while non-impact printers form characters without physical contact (e.g., using ink spray or toner).
- Noise Level: Impact printers are generally noisy due to the physical striking action, whereas non-impact printers are typically quiet.
- Print Quality & Speed: Non-impact printers usually offer higher print quality and faster printing speeds compared to impact printers.
- Carbon Copies: Impact printers can produce multiple carbon copies simultaneously, which non-impact printers cannot.
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c) Among the application programs they intend to install is Microsoft Word. Outline any FOUR word processing page formatting features of a word processor.
- Page Margins: Adjusting the blank space between the edge of the page and the text.
- Page Orientation: Changing the layout of the page to either portrait (vertical) or landscape (horizontal).
- Page Size: Setting the dimensions of the paper (e.g., A4, Letter).
- Headers and Footers: Adding content (like page numbers, document titles, or dates) that appears at the top (header) or bottom (footer) of every page.
- Columns: Arranging text into multiple vertical sections on a page.
16.
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a) Outline any FOUR cyber-crimes that may face your college's data and information systems.
- Phishing: Attempts to trick users into revealing sensitive information (like passwords or bank details) by impersonating a trustworthy entity in electronic communication.
- Malware Attacks (e.g., Ransomware, Viruses): Malicious software designed to disrupt, damage, or gain unauthorized access to computer systems, often by encrypting data and demanding a ransom.
- Data Theft/Breaches: Unauthorized access to and extraction of sensitive or confidential data from the college's systems.
- Denial-of-Service (DoS) Attacks: Overwhelming a system or network with traffic to make it unavailable to its legitimate users.
- Cyber Espionage: Unauthorized access to obtain secret or confidential information from the college for competitive or political advantage.
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b) The table below shows information pertaining to employees of Pachuu Company Ltd. Use it to answer the questions below.
| | A | B | C | D | E |
|---|--------|------------|-------|--------|---|
| 1 | Name | Position | Grade | Salary | |
| 2 | Paul | Manager | 1 | 6400 | |
| 3 | Dennis | Accountant | 3 | 5300 | |
| 4 | Mary | Messenger | 7 | 7000 | |
| 5 | Nazizi | Clerk | 6 | 9000 | |
| 6 | | | | | |
Write a spreadsheet function to compute each of the following:
- i. Average salary.
=AVERAGE(D2:D5)
- ii. The total amount spent on salaries.
=SUM(D2:D5)
- iii. The maximum salary.
=MAX(D2:D5)
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c) Edward wanted to have his own email address. State THREE parts his email address will contain.
- Username (or Local Part): The unique identifier chosen by the user (e.g., "edward" in
edward@example.com).
- At Symbol (@): A separator that divides the username from the domain name.
- Domain Name: Identifies the email service provider or organization (e.g., "example.com" in
edward@example.com).
What's next?